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Finding the Fourth Proportional to 165,782.70, 248,674.05 and 41,123.70

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Solution

The fourth proportional to 165,782.70, 248,674.05 and 41,123.70 is: 61,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,782.70 : 248,674.05 = 41,123.70 : x
  2. Step 2: Convert to fraction form
    165,782.70/248,674.05 = 41,123.70/x
  3. Step 3: Cross multiply
    165,782.70x = 248,674.05 × 41,123.70
  4. Step 4: Simplify right side
    165,782.70x = 10,226,397,029.99
  5. Step 5: Solve for x
    x = 10,226,397,029.99/165,782.70
  6. Step 6: Final answer
    x = 61,685.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.